From owner-freebsd-hackers@freebsd.org Tue Jan 1 17:04:37 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2A29514213C7 for ; Tue, 1 Jan 2019 17:04:37 +0000 (UTC) (envelope-from mozolevsky@gmail.com) Received: from mail-ot1-f44.google.com (mail-ot1-f44.google.com [209.85.210.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B114C761BD for ; Tue, 1 Jan 2019 17:04:36 +0000 (UTC) (envelope-from mozolevsky@gmail.com) Received: by mail-ot1-f44.google.com with SMTP id v23so25179249otk.9 for ; Tue, 01 Jan 2019 09:04:36 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=QihDoYJC05pFnV6/+GJvarGIpHr6Km7Db1EvufDBohA=; b=V/HT9nR9yYFV1+5uuyXGXdqke/Vm14wGiT1XZolcSqqxjICtnlUb8/9XVbGcg9Wlae 7NoS30DxSeApJjMpdODKmUz+B/f+94L/l/WiuOEynuh5szbH5xl0I587UaF6Jv0b77C5 5QXhG5EydBSLRC75qfNnlBTghbJX2a7VB0RrXkQ08/A2HlyocfrbOMrccEHv6We0rjJx ps/q2XB/yHuvZheNGUJz397KTgU0HNbT9R6stOfzFUky2f+yrvjtfPCBhA8jaP3WYEO1 fIEooUSNbZBjFZT4NztBzpRmgJxojDiJ+LcD0zThClGOz+1MpZVovvy5e3jb88i1Gjm4 Fceg== X-Gm-Message-State: AJcUukcajNQ7X6zVUvod2XOAljSqU5QCb00FO4TCqJgudP0kMQ5TY4CN zWcdzdhY07VZhTNo/c00PU2g3Em+beRkCrrslVg= X-Google-Smtp-Source: ALg8bN7MdbCnIVqDulQFDozh9zLd8eVe/FTGsWQJAE46FV2Qy9AOcmLYXny167Qa19sOltoer4N/3UmrJF2YqgJM4GU= X-Received: by 2002:a9d:2603:: with SMTP id a3mr27037210otb.37.1546358462628; Tue, 01 Jan 2019 08:01:02 -0800 (PST) MIME-Version: 1.0 References: <20190101045638.D280E1F56@spqr.komquats.com> In-Reply-To: From: Igor Mozolevsky Date: Tue, 1 Jan 2019 16:00:26 +0000 Message-ID: Subject: Re: Speculative: Rust for base system components To: Eric McCorkle Cc: Hackers freeBSD Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: B114C761BD X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-6.96 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[]; NEURAL_HAM_SHORT(-0.96)[-0.956,0] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Jan 2019 17:04:37 -0000 On Tue, 1 Jan 2019 at 15:54, Eric McCorkle wrote: > I don't think that's a fair comparison at all. Rust is a systems > language built around zero-cost abstractions that is usable for > developing real embedded code Brian's simple experiment [1] demonstrates that "zero-cost" is more of an aspiration (and a very long term one, perhaps) than a hard fact ;-) 1. https://lists.freebsd.org/pipermail/freebsd-hackers/2019-January/053837.html -- Igor M.